EP4166268B1 - Appareil de soudage pour la fabrication d'une batterie secondaire, et procédé de soudage l'utilisant - Google Patents

Appareil de soudage pour la fabrication d'une batterie secondaire, et procédé de soudage l'utilisant

Info

Publication number
EP4166268B1
EP4166268B1 EP21858575.0A EP21858575A EP4166268B1 EP 4166268 B1 EP4166268 B1 EP 4166268B1 EP 21858575 A EP21858575 A EP 21858575A EP 4166268 B1 EP4166268 B1 EP 4166268B1
Authority
EP
European Patent Office
Prior art keywords
main body
body casing
cover
welding
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21858575.0A
Other languages
German (de)
English (en)
Other versions
EP4166268A1 (fr
EP4166268A4 (fr
Inventor
Jin Yeong Lee
Jin Soo Lee
Bu Won SON
Yeong Hun Jung
Yong Gon Lee
Jeong Ho Park
Geun Young Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Energy Solution Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Energy Solution Ltd filed Critical LG Energy Solution Ltd
Publication of EP4166268A1 publication Critical patent/EP4166268A1/fr
Publication of EP4166268A4 publication Critical patent/EP4166268A4/fr
Application granted granted Critical
Publication of EP4166268B1 publication Critical patent/EP4166268B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
    • B23K26/1224—Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure in vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/206—Laser sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/244—Overlap seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/26—Seam welding of rectilinear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Laser Beam Processing (AREA)

Claims (5)

  1. Appareil de soudage (100) pour la fabrication d'une batterie secondaire, effectuant le soudage d'un carter de corps principal (10) possédant un espace de logement (S) doté d'une ouverture formée sur un côté supérieur de celui-ci, et un couvercle (20) configuré pour fermer l'ouverture, l'appareil de soudage (100) comprenant :
    une monture inférieure (110) sur laquelle est positionné le carter de corps principal (10) ;
    une monture supérieure (120) configurée pour s'engager avec la monture inférieure (110), et appuyer sur le couvercle (20) en le fixant sur le carter de corps principal (10) ;
    un dispositif générateur de vide (130) configuré pour former une pression négative dans un espace de logement (S) défini par le carter de corps principal (10) et le couvercle (20), un trou de vide (113) étant formé dans la monture inférieure (110) et communiquant avec un orifice d'injection d'électrolyte (13) pratiqué sur un côté du carter de corps principal (10), et le dispositif générateur de vide (130) formant la pression négative dans l'espace de logement (S), défini par le carter de corps principal (10) et le couvercle (20), à travers le trou de vide (113) ; et
    un appareil de soudage (140) configuré pour souder et sceller le carter de corps principal (10) et le couvercle (20),
    une cannelure d'assise (111) étant pratiquée dans la monture inférieure (110) de sorte que le carter de corps principal (10) soit posé dans la cannelure d'assise (111), et
    la monture supérieure (120) faisant pression vers le bas sur un pourtour du couvercle (20) placé sur une surface supérieure de la monture inférieure (110), en le fixant, afin de fermer et de sceller l'ouverture du carter de corps principal (10), et
    une partie de bride (11) étant formée autour d'un pourtour de l'ouverture du carter de corps principal (10), et la partie de bride (11) étant disposée sur une surface supérieure de la monture inférieure (110) où la monture inférieure (110) se trouve au contact de la monture supérieure (120), et retenue par celle-ci, et l'appareil de soudage (140) fermant l'ouverture et fixant le couvercle (20) en effectuant une soudure le long d'un pourtour du couvercle (20) qui se trouve au contact d'un pourtour de l'ouverture du carter de corps principal (10).
  2. Appareil de soudage (100) selon la revendication 1, la monture supérieure (120) étant installée de façon à pouvoir être déplacée en haut et en bas par un actionneur.
  3. Appareil de soudage (100) selon la revendication 1, comprenant en outre :
    une garniture d'étanchéité (G) intercalée entre le trou de vide (113) et l'orifice d'injection d'électrolyte (13), et configurée pour maintenir l'étanchéité du trou de vide (113) et de l'orifice d'injection d'électrolyte (13).
  4. Appareil de soudage (100) selon la revendication 1, l'appareil de soudage (140) étant configuré comme un appareil de soudage au laser.
  5. Procédé de soudage pour la fabrication d'une batterie secondaire faisant usage de l'appareil de soudage (100) pour la fabrication d'une batterie secondaire selon une quelconque des revendications 1 à 4, le procédé de soudage comprenant :
    la disposition du carter de corps principal (10) contenant l'ensemble d'électrode (1) dans une cannelure d'assise (111) de la monture inférieure (110) ;
    la disposition du couvercle (20) sur une surface supérieure de la monture inférieure (110) pour fermer et sceller l'ouverture du carter de corps principal (10) ;
    le déplacement de la monture supérieure (120) vers le bas pour appuyer sur un pourtour du couvercle (20) et le fixer sur une partie de bride (11) formée autour d'un pourtour de l'ouverture du carter de corps principal (10) ;
    la formation, par le dispositif générateur de vide (130), d'une pression négative dans l'espace de logement (S) dans le carter de corps principal (10) pour empêcher le gonflement du couvercle (20), un trou de vide (113), pratiqué dans la monture inférieure (110), communiquant avec un orifice d'injection d'électrolyte (13) pratiqué sur un côté du carter de corps principal (10), et le dispositif générateur de vide (130) formant la pression négative dans l'espace de logement (S), défini par le carter de corps principal (10) et le couvercle (20), à travers le trou de vide (113) ; et
    l'exécution, par l'appareil de soudage (140), d'une soudure le long du pourtour du couvercle (20) pour fermer l'ouverture et fixer le couvercle (20).
EP21858575.0A 2020-08-18 2021-08-18 Appareil de soudage pour la fabrication d'une batterie secondaire, et procédé de soudage l'utilisant Active EP4166268B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200103053A KR102820124B1 (ko) 2020-08-18 2020-08-18 이차전지 제조용 용접 장치 및 이를 이용한 용접 방법
PCT/KR2021/010942 WO2022039488A1 (fr) 2020-08-18 2021-08-18 Appareil de soudage pour la fabrication d'une batterie secondaire, et procédé de soudage l'utilisant

Publications (3)

Publication Number Publication Date
EP4166268A1 EP4166268A1 (fr) 2023-04-19
EP4166268A4 EP4166268A4 (fr) 2024-01-17
EP4166268B1 true EP4166268B1 (fr) 2026-04-15

Family

ID=80350299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21858575.0A Active EP4166268B1 (fr) 2020-08-18 2021-08-18 Appareil de soudage pour la fabrication d'une batterie secondaire, et procédé de soudage l'utilisant

Country Status (6)

Country Link
US (1) US20240269783A1 (fr)
EP (1) EP4166268B1 (fr)
JP (1) JP7528408B2 (fr)
KR (1) KR102820124B1 (fr)
CN (1) CN115943012A (fr)
WO (1) WO2022039488A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102852652B1 (ko) * 2020-09-16 2025-08-29 주식회사 엘지에너지솔루션 이차전지 제조방법 및 그 제조방법을 이용하여 제조된 이차전지
EP4564491A1 (fr) * 2023-11-30 2025-06-04 Automotive Cells Company SE Procede d'assemblage d'une cellule de batterie
CN119973484B (zh) * 2025-04-11 2025-07-01 常州丽声科技有限公司 一种扬声器超薄音腔焊接设备及方法

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Also Published As

Publication number Publication date
EP4166268A1 (fr) 2023-04-19
JP2023534484A (ja) 2023-08-09
EP4166268A4 (fr) 2024-01-17
JP7528408B2 (ja) 2024-08-06
WO2022039488A1 (fr) 2022-02-24
CN115943012A (zh) 2023-04-07
US20240269783A1 (en) 2024-08-15
KR102820124B1 (ko) 2025-06-13
KR20220022178A (ko) 2022-02-25

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